View Single Post
      04-20-2012, 11:48 AM   #17
GTM_Challenge
BimmerPost Supporting Vendor

 
GTM_Challenge's Avatar
 
Drives: E92 M3,X5M,F30 335
Join Date: Jan 2010
Location: Chicago

Posts: 2,714
iTrader: (7)

Send a message via AIM to GTM_Challenge
Quote:
Originally Posted by Mike Lu View Post
Any drone?
We did long term testing with the full and rear only systems. There is no drone at hwy cruising speeds based on feedback from our 3 test cars and different drivers.

The stock exhaust has a slight resonance point in the lower RPMS. You may notice that same spot a bit depending on how sensative you are to resonance.
GTM_Challenge is offline   United_States
0
Reply With Quote